Escolha a preposição de lugar adequada para
cada frase.
a. My History book is ( at - in ) backpack.

b. Our apartment is ( on - at ) the third floor.

c. Carol lives ( on - in ) Humaitá.

d. Suzane works ( on - at ) a library.

e. We’re ( on - at ) the train to work.​

preciso pra hoje por favor me ajudem